Inventor

YAN CHANG

CN4 patents

⚠️ This page may combine multiple inventors who share the name “YAN CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CCL LABEL INC

1 patent

USD785445SMay 2, 2017

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CCL LABEL INC6 citations75

UNIV HUNAN

1 patent

US12429280B2Sep 30, 2025

Method and device for manufacturing liquid hydrogen by offshore off-grid superconducting wind turbine

UNIV HUNAN0 citations44

NEWSOUTH INNOVATIONS PTY LTD

1 patent

US11322634B2May 3, 2022

Copper-based chalcogenide photovoltaic device and a method of forming the same

NEWSOUTH INNOVATIONS PTY LTD0 citations42

JSTI GROUP

1 patent

US12460360B2Nov 4, 2025

Bridge expansion joint structure and construction method thereof

JSTI GROUP0 citations36